Products Introduction
The brown glass tube (5.0 glass) provides protection for photosensitive drug formulations, preventing degradation effect by ultraviolet and shortwave visible light.
Characteristic
Brown glass is a colored glass with a proven track record in ensuring the long-term stability of photosensitive drugs. The composition of this Class I glass is stable, and by adding iron and titanium oxide, it ensures a stable and consistent brown color, thereby achieving light protection.
Physic properties
Coefficient of mean linear thermal expansion α(20ºC;300ºC)acc.to ISO 7991 |
4.9*10-6K-1Trans |
Transformation temperature Tg |
515ºC |
Glass temperature at annealing point logη=13 |
540ºC |
Glass temperature at soft point logη=7.6 |
783ºC |
Glass temperature at working point logη=4 |
1120ºC |
Density ρ at 25ºC |
2.32g/cm3 |
Chemical Properties
Hydrolytic Resistant Class |
USP Type I; ISO 719 HGBI |
Acc. to ISO 719 |
HGB I |
Acc. to USP 25 |
Type I |
Acid Resistant Class |
Class S1 |
Alkali Resistant Class |
Class A2 |
Advantage
I. Prevent UV irradiation and safely store photosensitive drugs formulations.
II.Customizable specifications (best value options) can provide stricter tolerances or lower defect rates for applications.
III. Provide customized options, such as different pipe end treatments and scratch resistant coatings, to achieve safer transportation.
IV. Complies with all international regulations, including Ph.Eur., USP, ISO, JP, ChP, YBB, REACH, RoHS.
Entering US
Transport Package
Why Choose US?
I. Experience
CHANGZHOU WQS PHARMACEUTICAL PACKAGING CO., LTD has been deeply engaged in the tubular glass bottle industry for over 20 years. We have established long-term and stable cooperative relationships with over 100 glass bottle end-users worldwide, who are widely spread across various fields such as medicine, laboratories, cosmetics, and more. Our corporate purpose has always been to provide the most cost-effective high-quality products and professional after-sales service.
II. Technicality
We understand the importance of meeting customer requirements with high-quality solutions.
We can provide types of glass vials which meet the requirements of ISO12775-1992,UPS/PH,EP/PH,JP/PH standards.
III. Competitive Price
On the premise of ensuring high-quality products, we will cooperate with you at extremely competitive prices.
IV. Service
We will provide professional after-sales service.